The Buluan River is a black river in Province of Maguindanao and Sultan Kudarat in the island of Mindanao in the Philippines. Located in Buluan joint by the Liguasan Marsh stream of the Rio Grande de Mindanao. The total length of the Buluan River system including the upper Palian River is 109 km (68 mi) and 36.5 km (22.7 mi) from Lake Buluan to Liguasan Marsh.

Buluan River
Buluan River mouth Show map of Mindanao Buluan River (Philippines) Show map of Philippines
Location
Country	Philippines
Region	Bangsamoro Autonomous Region
Province	Maguindanao
Municipality	Buluan
Physical characteristics
Source	Lake Buluan
• location	Maguindanao
• coordinates	6.7055°N 124.8029°E / 6.7055; 124.8029
2nd source	Palian River
Mouth	Liguasan Marsh
• coordinates	6.8544°N 124.7536°E / 6.8544; 124.7536
Length	109 km (68 mi)
Basin features
Progression	Buluan–Liguasan Marsh–Mindanao